Optical Transfer Function Measurement Instrument
The optical transfer function tester is a precision instrument for evaluating optical-system image quality. It measures the optical transfer function, including modulation and phase transfer functions, to quantitatively assess transfer of targets at different spatial frequencies. Expandable test bands include ultraviolet, visible and infrared. Features include a user-friendly interface, automatic exposure and focus, one-click measurement, accurate data and high reliability. It displays results in real time, saves data and generates test reports.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Optical Structure Type | Infinite Conjugate, Finite Conjugate (VIS/NIR) |
| Maximum Off-Axis Angle | ±120° |
| Spectral Range | VIS(450-750), NIR(750...1,000nm) |
| Spectral Range | LWIR(8-12μm), MWIR(3-5μm) |
| Maximum Clear Aperture | 300mm (Expandable) |
| Focal Length Range of Samples under Test | 5...1500mm |
| Maximum Spatial Frequency [for VIS / NIR] | 0...500lp/mm |
| Maximum Spatial Frequency [for LWIR] | 0...60lp/mm |
| Maximum Spatial Frequency [for MWIR] | 0...100lp/mm |
| EFL Measurement Accuracy | ±0.4% |
| MTF Accuracy [VIS, NIR; On-Axis] | ±0.02 |
| MTF Accuracy [VIS, NIR; Off-Axis] | ±0.03 |
| MTF Accuracy [LWIR, MWIR; On-Axis] | ±0.03 |
| MTF Repeatability (On-Axis and Off-Axis) [VIS, NIR; On-Axis and Off-Axis] | ±0.01 |
| MTF Repeatability (On-Axis and Off-Axis) [LWIR, MWIR; On-Axis and Off-Axis] | ±0.02 |
| Azimuth | 360° |
| Sample Load Capacity | 20kg |
Key Features
Datasheet
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Supplier Information
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